噪声与振动控制

噪声与振动控制 ›› 2012, Vol. 32 ›› Issue (6): 179-183.DOI: 10.3969/j.issn.1006-1335.2012.06.042

• 3.运载工具振动与噪声 • 上一篇    下一篇

快速多极子边界元法预测船舶舱室噪声

崔晓兵,季振林,武 耀   

  1. （ 哈尔滨工程大学  动力与能源工程学院，  哈尔滨  150001 ）
  • 收稿日期:2011-12-06 修回日期:2012-03-13 出版日期:2012-12-18 发布日期:2012-12-18
  • 通讯作者: 崔晓兵
  • 基金资助:

    国家自然科学基金项目（10874034）

Fast Multipole Boundary Element Method for Prediction of Ship Cabin’s Noise

CUI  Xiao-bing,JI  Zhen-lin,WU Yao   

  1. ( College of Power and Energy Engineering,  Harbin Engineering University,  Harbin  150001,  China )
  • Received:2011-12-06 Revised:2012-03-13 Online:2012-12-18 Published:2012-12-18

PDF

摘要： 将快速多极子边界元法应用于船舶舱室噪声预测，考虑振动、刚性以及阻抗三类边界条件，计算得到舱室表面的辐射声压云图以及监测点处的声压级，通过和Virtual. Lab Acoustic软件计算结果比较验证方法的正确性；此外，通过和传统边界元法在总计算时间上的比较，表明快速多极子边界元法在计算大尺度声学问题中的高效性。

关键词: 声学, 舱室噪声, 预测, 快速多极子边界元法, 声压级, 一般边界条件

Abstract: The fast multipole boundary element method (FMBEM) was developed to predict the ship cabin’s noise. Considering the vibration, rigid and impendence boundary conditions, the sound pressure contours on the surface and the SPLs at the monitoring point were calculated. The numerical method was validated by comparing the data with the numerical results from Virtual.Lab acoustics software. In addition, the FMBEM was proved efficient for the acoustic computations of large scale problems through comparison of computer time consuming of the FMBEM with that of the conventional BEM.

Key words: acoustics , cabin noise , prediction , fast multipole boundary element method , SPL , general boundary conditions.

中图分类号: